CVE-2019-1413 : Security Advisory and Response

A security feature bypass vulnerability in Microsoft Edge affects various versions of the browser on different Windows systems.

Understanding CVE-2019-1413

What is CVE-2019-1413?

There is a vulnerability in Microsoft Edge where extension requests are handled incorrectly, leading to a security feature bypass.

The Impact of CVE-2019-1413

This vulnerability allows for a security feature bypass in Microsoft Edge, potentially compromising the security of the affected systems.

Technical Details of CVE-2019-1413

Vulnerability Description

The vulnerability arises from the incorrect handling of extension requests in Microsoft Edge, which results in a security feature bypass.

Affected Systems and Versions

Microsoft Edge (EdgeHTML-based) on Windows Server 2016
Microsoft Edge (EdgeHTML-based) on Windows 10 versions 1607, 1709, 1803, 1809, 1903
Various architectures including 32-bit, x64-based, and ARM64-based systems

Exploitation Mechanism

The vulnerability occurs due to the failure to request host permission for all URLs, allowing for the security feature bypass.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Microsoft promptly
Consider using alternative browsers until the patch is applied

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities
Implement secure browsing practices and extensions

Patching and Updates

Ensure that all affected systems are updated with the latest security patches from Microsoft.